clog UK /klɒɡ/US /klɑɡ/noun 5verb 5forms 3phrases 1 noun5 •A type of shoe with an inflexible, often wooden sole sometimes with an open heel.Dutch people rarely wear clogs these days. •(UK, informal) A shoe of any type.I let him in this morning. He lost one of his clogs. — 1987 •A blockage.The plumber cleared the clog from the drain. •A weight, such as a log or block of wood, attached to a person or animal to hinder motion.Yet as a Dog committed close / For some offence, by chance breaks loose, / And quits his Clog; but all in vain, / He still draws after him his Chain. — 1663 •That which hinders or impedes motion; an encumbrance, restraint, or impediment of any kind.The grand Conspirator, Abbot of Westminster, / With clog of Conscience, and sowre Melancholly / Hath yeelded up his body to the graue — 1595 verb5 •To block or slow passage through (often with 'up').Hair is clogging the drainpipe.The roads are clogged up with traffic. •To encumber or load, especially with something that impedes motion; to hamper.The wings of winds were clogged with ice and snow. — 1717 •To burden; to trammel; to embarrass; to perplex.The commodities […]are clogged with impositions. — 1705 •To perform a clog dance. •To enforce a mortgage lender right that prevents a borrower from exercising a right to redeem. formsclogged · clogging · clogs Phrases with clog clog upTo block something completely and physically.